Precision Ball Bearings

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National Precision Bearing specializes in precision bearing solutions for aerospace, defense, medical, and industrial applications. NPB stocks deep groove ball bearings, angular contact bearings, miniature bearings, medical bearings, aviation instrument bearings, dental bearings, spherical bearings, rod end bearings, airframe control bearings, bushings, hydraulic cylinder bearings, needle bearings, double row bearings, ABEC 1, 3, 5, 7, 9 bearings, plastic bearings, DFARs Compliant Bearings, high-speed bearings, thin section bearings, thrust bearings, tapered roller bearings, stainless steel bearings, ceramic bearings, inch and metric bearings, fractured race spherical bearings, plain bearings, full compliment bearings, and bearing installation tools. In addition to bearings, bushings and installation tools, National Precision Bearing also offers relubrication and packaging services in a ISO Class 6 (Class 1000) cleanroom.

 

 

 

Precision ball bearings are used for high precision applications in a variety of markets, including aerospace, health, machine tool, robotics and general industry.Precision ball bearings are used for high precision applications in a variety of markets, including aerospace, health, machine tool, robotics and general industry. MM/MMV (Machine Tool Bearings) Super precision bearings manufactured to MM/MMV tolerances combine the accuracy and performance of ABEC 9/ISO P2 with the non-critical features of ABEC 7/ISO P4 levels for cost effectiveness.

 

 

2.559 Inch | 65 Millimeter x 3.543 Inch | 90 Millimeter x 0.512 Inch | 13 Millimeter SKF 71913 ACDGB/P4A Precision Ball Bearings

+1/4 in 3/4 in
AISI ±0.001 in

2.953 Inch | 75 Millimeter x 5.118 Inch | 130 Millimeter x 0.984 Inch | 25 Millimeter SKF 7215 CDGA/P4A Precision Ball Bearings

2.953 Inch | 75 Millimeter x 5.118 Inch | 130 Millimeter x 0.984 Inch | 25 Millimeter

3.15 Inch | 80 Millimeter x 4.331 Inch | 110 Millimeter x 0.63 Inch | 16 Millimeter SKF 71916 ACDGA/P4A Precision Ball Bearings

100 mm 57300 lbf, 59600 lbf
Brass Open

0.669 Inch | 17 Millimeter x 1.181 Inch | 30 Millimeter x 0.276 Inch | 7 Millimeter SKF 71903 CDGA/P4A Precision Ball Bearings

-22 to 400°F Labyrinth
3.5625 in 0.35 lb

3.543 Inch | 90 Millimeter x 5.512 Inch | 140 Millimeter x 0.945 Inch | 24 Millimeter SKF 7018 ACDGA/P4A Precision Ball Bearings

5500 RPM Standard Duty
2801 lbs VER 200

0.591 Inch | 15 Millimeter x 1.26 Inch | 32 Millimeter x 0.354 Inch | 9 Millimeter SKF 7002 ACDGA/P4A Precision Ball Bearings

Set Screw Lubrication Fitting
70 mm 40 mm

2.362 Inch | 60 Millimeter x 3.346 Inch | 85 Millimeter x 1.024 Inch | 26 Millimeter SKF 71912 ACD/P4ADGA Precision Ball Bearings

1.2500 in Powder Coat
26600 lbs 17 lbs
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